Use open rather than file

Author: jenshnielsen

examples/pylab_examples/logo.py

@@ -9,7 +9,7 @@
 datafile = cbook.get_sample_data('membrane.dat', asfileobj=False)
 print('loading', datafile)
 
-x = 1000*0.1*fromstring(file(datafile, 'rb').read(), float32)
+x = 1000*0.1*fromstring(open(datafile, 'rb').read(), float32)
 # 0.0005 is the sample interval
 t = 0.0005*arange(len(x))
 figure(1, figsize=(7, 1), dpi=100)